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Access to the eBook is limited to the first individual who redeems the PIN, located on the inside cover of this book, at studentconsult.inkling.com and may not be transferred to another party by resale, lending or other means. https://kat.cr/user/Blink99/ Learning Radiology https://kat.cr/user/Blink99/ This page intentionally left blank https://kat.cr/user/Blink99/ Learning Radiology RECOGNIZING THE BASICS 3rd EDITION William Herring, MD, FACR Vice Chairman and Residency Program Director Albert Einstein Medical Center Philadelphia, Pennsylvania https://kat.cr/user/Blink99/ 1600 John F. Kennedy Blvd. Ste 1800 Philadelphia, PA 19103-2899 LEARNING RADIOLOGY: RECOGNIZING THE BASICS, 3rd EDITION ISBN: 978-0-323-32807-4 Copyright © 2016, 2012, 2007 by Saunders, an imprint of Elsevier Inc. All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or any information storage and retrieval system, without permission in writing from the Publisher. Details on how to seek permission, further information about the Publisher’s permissions policies, and our arrangements with organizations such as the Copyright Clearance Center and the Copyright Licensing Agency can be found at our website: www.elsevier.com/permissions. This book and the individual contributions contained in it are protected under copyright by the Publisher (other than as may be noted herein). Notices Knowledge and best practice in this field are constantly changing. As new research and experience broaden our understanding, changes in research methods, professional practices, or medical treatment may become necessary. Practitioners and researchers must always rely on their own experience and knowledge in evaluating and using any information, methods, compounds, or experiments described herein. In using such information or methods, they should be mindful of their own safety and the safety of others, including parties for whom they have a professional responsibility. With respect to any drug or pharmaceutical products identified, readers are advised to check the most current information provided (i) on procedures featured or (ii) by the manufacturer of each product to be administered and to verify the recommended dose or formula, the method and duration of administration, and contraindications. It is the responsibility of practitioners, relying on their own experience and knowledge of their patients, to make diagnoses, to determine dosages and the best treatment for each individual patient, and to take all appropriate safety precautions. To the fullest extent of the law, neither the Publisher nor the authors, contributors, or editors assume any liability for any injury and/or damage to persons or property as a matter of products liability, negligence, or otherwise or from any use or operation of any methods, products, instructions, or ideas contained in the material herein Library of Congress Cataloging-in-Publication Data Herring, William, author. Learning radiology : recognizing the basics / William Herring.—3rd edition. p. ; cm. Includes bibliographical references and index. ISBN 978-0-323-32807-4 (paperback : alk. paper) I. Title. [DNLM: 1. Radiography—methods. 2. Diagnosis, Differential. WN 200] R899 616.07′572—dc23 2015006990 Senior Content Strategist: James Merritt Content Development Specialist: Katy Meert Publishing Services Manager: Anne Altepeter Senior Project Manager: Doug Turner Designer: Xiaopei Chen Printed in the United States of America Last digit is the print number: 9 8 7 6 5 4 3 2 1 https://kat.cr/user/Blink99/ To my wife, Patricia, And our family https://kat.cr/user/Blink99/ This page intentionally left blank https://kat.cr/user/Blink99/ Contributor Daniel J. Kowal, MD Computed Tomography Division Director Radiology Elective Director Department of Radiology Saint Vincent Hospital Worcester, Massachusetts Chapter 22: Magnetic Resonance Imaging: Understanding the Principles and Recognizing the Basics vii https://kat.cr/user/Blink99/ This page intentionally left blank https://kat.cr/user/Blink99/